advplyr.audiobookshelf-app/components/bookshelf/LazyBookshelf.vue
2021-12-04 19:56:29 -06:00

400 lines
14 KiB
Vue

<template>
<div id="bookshelf" class="w-full max-w-full h-full min-h-screen">
<template v-for="shelf in totalShelves">
<div :key="shelf" class="w-full px-2 bookshelfRow relative" :id="`shelf-${shelf - 1}`" :style="{ height: shelfHeight + 'px' }">
<div class="bookshelfDivider w-full absolute bottom-0 left-0 right-0 z-20" :class="`h-${shelfDividerHeightIndex}`" />
</div>
</template>
<!-- <div class="w-full h-full px-4 py-2" v-show="isListView">
<template v-for="book in books">
<app-bookshelf-list-row :key="book.id" :audiobook="book" :page-width="pageWidth" class="my-2" />
</template>
</div> -->
<div v-show="!entities.length && initialized" class="w-full py-16 text-center text-xl">
<div class="py-4 capitalize">No {{ entityName }}</div>
<ui-btn v-if="hasFilter" @click="clearFilter">Clear Filter</ui-btn>
</div>
</div>
</template>
<script>
import bookshelfCardsHelpers from '@/mixins/bookshelfCardsHelpers'
export default {
props: {
page: String,
seriesId: String
},
mixins: [bookshelfCardsHelpers],
data() {
return {
bookshelfHeight: 0,
bookshelfWidth: 0,
bookshelfMarginLeft: 0,
shelvesPerPage: 0,
entitiesPerShelf: 8,
currentPage: 0,
currentBookWidth: 0,
booksPerFetch: 20,
initialized: false,
currentSFQueryString: null,
isFetchingEntities: false,
entities: [],
totalEntities: 0,
totalShelves: 0,
entityComponentRefs: {},
entityIndexesMounted: [],
pagesLoaded: {},
isFirstInit: false,
pendingReset: false
}
},
computed: {
isSocketConnected() {
return this.$store.state.socketConnected
},
isBookEntity() {
return this.entityName === 'books' || this.entityName === 'series-books'
},
shelfDividerHeightIndex() {
if (this.isBookEntity) return 4
return 6
},
entityName() {
return this.page
},
bookshelfView() {
return this.$store.state.bookshelfView
},
hasFilter() {
return this.filterBy !== 'all'
},
isListView() {
return this.bookshelfView === 'list'
},
books() {
return this.$store.getters['downloads/getAudiobooks']
},
orderBy() {
return this.$store.getters['user/getUserSetting']('mobileOrderBy')
},
orderDesc() {
return this.$store.getters['user/getUserSetting']('mobileOrderDesc')
},
filterBy() {
return this.$store.getters['user/getUserSetting']('mobileFilterBy')
},
coverAspectRatio() {
return this.$store.getters['getServerSetting']('coverAspectRatio')
},
isCoverSquareAspectRatio() {
return this.coverAspectRatio === this.$constants.BookCoverAspectRatio.SQUARE
},
bookCoverAspectRatio() {
return this.isCoverSquareAspectRatio ? 1 : 1.6
},
bookWidth() {
// var coverSize = this.$store.getters['user/getUserSetting']('bookshelfCoverSize')
var coverSize = 100
if (this.isCoverSquareAspectRatio) return coverSize * 1.6
return coverSize
},
bookHeight() {
if (this.isCoverSquareAspectRatio) return this.bookWidth
return this.bookWidth * 1.6
},
entityWidth() {
if (this.isBookEntity) return this.bookWidth
return this.bookWidth * 2
},
entityHeight() {
return this.bookHeight
},
currentLibraryId() {
return this.$store.state.libraries.currentLibraryId
},
shelfHeight() {
return this.entityHeight + 40
},
totalEntityCardWidth() {
// Includes margin
return this.entityWidth + 24
},
downloadedBooks() {
return this.$store.getters['downloads/getAudiobooks']
}
},
methods: {
clearFilter() {
this.$store.dispatch('user/updateUserSettings', {
mobileFilterBy: 'all'
})
},
async fetchEntities(page) {
var startIndex = page * this.booksPerFetch
this.isFetchingEntities = true
if (!this.initialized) {
this.currentSFQueryString = this.buildSearchParams()
}
var entityPath = this.entityName === 'books' ? `books/all` : this.entityName
var sfQueryString = this.currentSFQueryString ? this.currentSFQueryString + '&' : ''
var queryString = `?${sfQueryString}&limit=${this.booksPerFetch}&page=${page}`
if (this.entityName === 'series-books') {
entityPath = `series/${this.seriesId}`
queryString = ''
}
var payload = await this.$axios.$get(`/api/libraries/${this.currentLibraryId}/${entityPath}${queryString}`).catch((error) => {
console.error('failed to fetch books', error)
return null
})
this.isFetchingEntities = false
if (this.pendingReset) {
this.pendingReset = false
this.resetEntities()
return
}
if (payload && payload.results) {
console.log('Received payload', payload)
if (!this.initialized) {
this.initialized = true
this.totalEntities = payload.total
this.totalShelves = Math.ceil(this.totalEntities / this.entitiesPerShelf)
this.entities = new Array(this.totalEntities)
this.$eventBus.$emit('bookshelf-total-entities', this.totalEntities)
}
for (let i = 0; i < payload.results.length; i++) {
var index = i + startIndex
this.entities[index] = payload.results[i]
if (this.entityComponentRefs[index]) {
this.entityComponentRefs[index].setEntity(this.entities[index])
}
}
}
},
async loadPage(page) {
this.pagesLoaded[page] = true
await this.fetchEntities(page)
},
mountEntites(fromIndex, toIndex) {
for (let i = fromIndex; i < toIndex; i++) {
if (!this.entityIndexesMounted.includes(i)) {
this.cardsHelpers.mountEntityCard(i)
}
}
},
handleScroll(scrollTop) {
this.currScrollTop = scrollTop
var firstShelfIndex = Math.floor(scrollTop / this.shelfHeight)
var lastShelfIndex = Math.ceil((scrollTop + this.bookshelfHeight) / this.shelfHeight)
lastShelfIndex = Math.min(this.totalShelves - 1, lastShelfIndex)
var firstBookIndex = firstShelfIndex * this.entitiesPerShelf
var lastBookIndex = lastShelfIndex * this.entitiesPerShelf + this.entitiesPerShelf
lastBookIndex = Math.min(this.totalEntities, lastBookIndex)
var firstBookPage = Math.floor(firstBookIndex / this.booksPerFetch)
var lastBookPage = Math.floor(lastBookIndex / this.booksPerFetch)
if (!this.pagesLoaded[firstBookPage]) {
console.log('Must load next batch', firstBookPage, 'book index', firstBookIndex)
this.loadPage(firstBookPage)
}
if (!this.pagesLoaded[lastBookPage]) {
console.log('Must load last next batch', lastBookPage, 'book index', lastBookIndex)
this.loadPage(lastBookPage)
}
this.entityIndexesMounted = this.entityIndexesMounted.filter((_index) => {
if (_index < firstBookIndex || _index >= lastBookIndex) {
var el = document.getElementById(`book-card-${_index}`)
if (el) el.remove()
return false
}
return true
})
this.mountEntites(firstBookIndex, lastBookIndex)
},
destroyEntityComponents() {
for (const key in this.entityComponentRefs) {
if (this.entityComponentRefs[key] && this.entityComponentRefs[key].destroy) {
this.entityComponentRefs[key].destroy()
}
}
},
setDownloads() {
// TODO: Check entityName
this.entities = this.downloadedBooks.map((db) => ({ ...db }))
// TOOD: Sort and filter here
this.totalEntities = this.entities.length
this.totalShelves = Math.ceil(this.totalEntities / this.entitiesPerShelf)
this.entities = new Array(this.totalEntities)
this.$eventBus.$emit('bookshelf-total-entities', this.totalEntities)
},
async resetEntities() {
if (this.isFetchingEntities) {
this.pendingReset = true
return
}
this.destroyEntityComponents()
this.entityIndexesMounted = []
this.entityComponentRefs = {}
this.pagesLoaded = {}
this.entities = []
this.totalShelves = 0
this.totalEntities = 0
this.currentPage = 0
this.initialized = false
this.initSizeData()
if (this.isSocketConnected) {
await this.loadPage(0)
var lastBookIndex = Math.min(this.totalEntities, this.shelvesPerPage * this.entitiesPerShelf)
this.mountEntites(0, lastBookIndex)
} else {
this.setDownloads()
this.mountEntites(0, this.totalEntities - 1)
}
},
initSizeData() {
var bookshelf = document.getElementById('bookshelf')
if (!bookshelf) {
console.error('Failed to init size data')
return
}
var entitiesPerShelfBefore = this.entitiesPerShelf
var { clientHeight, clientWidth } = bookshelf
this.bookshelfHeight = clientHeight
this.bookshelfWidth = clientWidth
this.entitiesPerShelf = Math.floor((this.bookshelfWidth - 16) / this.totalEntityCardWidth)
this.shelvesPerPage = Math.ceil(this.bookshelfHeight / this.shelfHeight) + 2
this.bookshelfMarginLeft = (this.bookshelfWidth - this.entitiesPerShelf * this.totalEntityCardWidth) / 2
this.currentBookWidth = this.bookWidth
if (this.totalEntities) {
this.totalShelves = Math.ceil(this.totalEntities / this.entitiesPerShelf)
}
return entitiesPerShelfBefore < this.entitiesPerShelf // Books per shelf has changed
},
async init(bookshelf) {
if (this.isFirstInit) return
this.isFirstInit = true
this.initSizeData(bookshelf)
await this.loadPage(0)
var lastBookIndex = Math.min(this.totalEntities, this.shelvesPerPage * this.entitiesPerShelf)
this.mountEntites(0, lastBookIndex)
},
scroll(e) {
if (!e || !e.target) return
if (!this.isSocketConnected) return // Offline books are all mounted at once
var { scrollTop } = e.target
this.handleScroll(scrollTop)
},
socketInit(isConnected) {
if (isConnected) {
this.init()
} else {
this.isFirstInit = false
this.resetEntities()
}
},
buildSearchParams() {
let searchParams = new URLSearchParams()
if (this.filterBy && this.filterBy !== 'all') {
searchParams.set('filter', this.filterBy)
}
if (this.orderBy) {
searchParams.set('sort', this.orderBy)
searchParams.set('desc', this.orderDesc ? 1 : 0)
}
return searchParams.toString()
},
checkUpdateSearchParams() {
var newSearchParams = this.buildSearchParams()
var currentQueryString = window.location.search
if (currentQueryString && currentQueryString.startsWith('?')) currentQueryString = currentQueryString.slice(1)
if (newSearchParams === '') {
return false
}
if (newSearchParams !== this.currentSFQueryString || newSearchParams !== currentQueryString) {
let newurl = window.location.protocol + '//' + window.location.host + window.location.pathname + '?' + newSearchParams
window.history.replaceState({ path: newurl }, '', newurl)
return true
}
return false
},
settingsUpdated(settings) {
var wasUpdated = this.checkUpdateSearchParams()
if (wasUpdated) {
this.resetEntities()
}
},
libraryChanged(libid) {
if (this.hasFilter) {
this.clearFilter()
} else {
this.resetEntities()
}
},
initListeners() {
var bookshelf = document.getElementById('bookshelf-wrapper')
if (bookshelf) {
bookshelf.addEventListener('scroll', this.scroll)
}
// this.$eventBus.$on('bookshelf-clear-selection', this.clearSelectedEntities)
// this.$eventBus.$on('bookshelf-select-all', this.selectAllEntities)
// this.$eventBus.$on('bookshelf-keyword-filter', this.updateKeywordFilter)
this.$eventBus.$on('library-changed', this.libraryChanged)
this.$store.commit('user/addSettingsListener', { id: 'lazy-bookshelf', meth: this.settingsUpdated })
// if (this.$root.socket) {
// this.$root.socket.on('audiobook_updated', this.audiobookUpdated)
// this.$root.socket.on('audiobook_added', this.audiobookAdded)
// this.$root.socket.on('audiobook_removed', this.audiobookRemoved)
// this.$root.socket.on('audiobooks_updated', this.audiobooksUpdated)
// this.$root.socket.on('audiobooks_added', this.audiobooksAdded)
// } else {
// console.error('Bookshelf - Socket not initialized')
// }
},
removeListeners() {
var bookshelf = document.getElementById('bookshelf-wrapper')
if (bookshelf) {
bookshelf.removeEventListener('scroll', this.scroll)
}
this.$eventBus.$off('library-changed', this.libraryChanged)
this.$store.commit('user/removeSettingsListener', 'lazy-bookshelf')
// if (this.$root.socket) {
// this.$root.socket.off('audiobook_updated', this.audiobookUpdated)
// this.$root.socket.off('audiobook_added', this.audiobookAdded)
// this.$root.socket.off('audiobook_removed', this.audiobookRemoved)
// this.$root.socket.off('audiobooks_updated', this.audiobooksUpdated)
// this.$root.socket.off('audiobooks_added', this.audiobooksAdded)
// } else {
// console.error('Bookshelf - Socket not initialized')
// }
}
},
mounted() {
if (this.$server.initialized) {
this.init()
}
this.$server.on('initialized', this.socketInit)
this.initListeners()
},
beforeDestroy() {
this.$server.off('initialized', this.socketInit)
this.removeListeners()
}
}
</script>